Gallagher Strengthens Romero Group with Key Appointments

Why It Matters

The leadership refresh strengthens Gallagher’s UK foothold and accelerates the AssuredPartners integration, unlocking cross‑sell potential and broader client service capabilities.

Key Takeaways

• Jonathan Webb becomes Romero Group Regional Managing Director
• Webb replaces Simon Mabbb, who stays advisory
• Fiona McQuillan promoted to Commercial Director
• Integration of AssuredPartners set for mid‑2025
• Romero serves construction, manufacturing, hospitality sectors

Pulse Analysis

Gallagher’s strategic focus on the UK market intensifies with the bolstering of its Romero Group, a key pillar that delivers insurance and risk solutions to construction, manufacturing and hospitality clients. By consolidating its presence across four regional offices, Gallagher not only expands geographic reach but also deepens sector expertise, positioning itself as a go‑to broker for mid‑market firms seeking tailored coverage. This regional emphasis aligns with the firm’s global ambition to integrate disparate acquisitions under a unified service model.

The appointment of Jonathan Webb as Regional Managing Director injects nearly four decades of brokerage experience into Romero’s leadership. Webb’s recent tenure as Managing Director for Scotland at Marsh equips him with a nuanced understanding of the UK insurance landscape, while his succession of Simon Mabbb ensures continuity during the critical AssuredPartners integration phase. Simultaneously, Fiona McQuillan’s promotion to Commercial Director leverages her fifteen‑year operational insight to broaden product portfolios and enhance client propositions, reinforcing Gallagher’s commitment to internal talent development.

These leadership changes are poised to accelerate revenue synergies as Gallagher weaves AssuredPartners’ capabilities into Romero’s existing platform. Clients can expect a more cohesive suite of risk‑management services, from specialty liability to emerging cyber solutions, delivered through a unified commercial strategy. In the competitive broker market, such integration not only safeguards client relationships during transition but also creates cross‑selling opportunities that can drive higher margins and market share growth throughout 2026 and beyond.